Indianapolis Intl Airport, Indianapolis, Ind.

According to the Regional Airline Association, which considers most local traffic to be regional, approximately 61.5% of departures were on regional carriers.

During June, 2009, a total of 354,190 passengers embarked on 4,953 regularly scheduled flights. About 39% of departures (carrying 63% of passengers) were operated by major airlines or other carriers operating large jets, while about 61% of departures (carrying 37% of passengers) were on regional carriers.